The term balkanization found its roots in eastern europe. it has come to mean the a)degradation of mountainous regions due to industrialization b)division of an area into smaller, usually hostile regions c)government system that restricts individual freedom d)increase in migration due to economic insecurity

I believe it is B hope this helps and have a great day :-)

B)division of an area into smaller, usually hostile regions

Explanation:

The Balkans were ruled by the ottoman empires in 1817 and 1912. Balkanization is a geopolitical term that is the process of the division of the stats into smaller fragments and is often hostile with one another. An example can be seen of the Yugoslavia which became an independent country and the province if the Kosovo hence it has is rots in eastern Europe.

What exactly do you mean 

Answer after wwii, communist countries in eastern europe formed the warsaw pack, a military alliance, and comecon, an economic alliance;